... μm sieve residue0.30% max Uses: Mainly used in magnet material, electronic ceramics, water purification, coating, paint, pigment, building ... residue0.30% max Uses: Mainly used in water purification magnet material. electronic ceramics, coating paint. Formula: BaCO3 (FREE FLOWING ... Uses: Mainly used in kinescope, optical glass buiding material and making other barium salts.Formula: BaCO3 (DRY GRANULAR ...